The following are available lectures:

           - Pulse Modulation (pdf format)

           - Bandwidth of PCM signals (word format)

- Topic 1: Introduction to Data Communication

- Topic 2: Basic Data Communication Concepts

- Topic 3: Encoding and Modulation

- Topic 4: OSI Layer

        - OSI powerpoint presentation

- Topic 5: Serial and Parallel Transmission; Modems

        - Class Announcement

- Topic 6: Multiplexing